On Wednesday 04 February 2009 20:56:04 Anders Kaseorg wrote:> The conflict is that FUNCTION_TRACER enables KBUILD_CFLAGS += -pg, and > passing -pg to current gcc causes it to emit a warning and disable > -ffunction-sections:> <http://gcc.gnu.org/ml/gcc-help/2008-11/msg00128.html>

Ah, OK, this explanation should probably be in a paragraph in the Kconfighelp message, rather than hiding on lkml.